Четвертая часть. Задания, оцениваемые в 6 баллов.
21–25. Read the sentences and make words from those given in brackets.

21. Helen's tooth is very … so she should go to the dentist. (pain)
22. It wasn't all his fault, but I think he is … to blame. (part)
23. She was just trying to be … towards them and they accused her of wanting their money! (friend)
24. We'd like to know the … explanation for why the sky is blue. (science)
25. We have used stone of different … to get that amazing effect. It's a very special building.(hard)